Home / 4,329.79-6,505.39-2,770.49

Finding the Fourth Proportional to 4,329.79, 6,505.39 and 2,770.49

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Solution

The fourth proportional to 4,329.79, 6,505.39 and 2,770.49 is: 4,162.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,329.79 : 6,505.39 = 2,770.49 : x
  2. Step 2: Convert to fraction form
    4,329.79/6,505.39 = 2,770.49/x
  3. Step 3: Cross multiply
    4,329.79x = 6,505.39 × 2,770.49
  4. Step 4: Simplify right side
    4,329.79x = 18,023,117.94
  5. Step 5: Solve for x
    x = 18,023,117.94/4,329.79
  6. Step 6: Final answer
    x = 4,162.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.